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2. Beam splitter - Wikipedia

   en.wikipedia.org/wiki/Beam_splitter

   Schematic illustration of a beam splitter cube. 1 - Incident light 2 - 50% transmitted light 3 - 50% reflected light In practice, the reflective layer absorbs some light. Beam splitters. A beam splitter or beamsplitter is an optical device that splits a beam of light into a transmitted and a reflected beam.

3. Pellicle mirror - Wikipedia

   en.wikipedia.org/wiki/Pellicle_mirror

   Splitting the beam allows its use for multiple purposes simultaneously. The thinness of the mirror practically eliminates beam or image doubling due to a non-coincident weak second reflection from the nominally non-reflecting surface, a problem with mirror-type beam splitters. [1] The name pellicle is a diminutive of pellis, a skin or film.

4. NOON state - Wikipedia

   en.wikipedia.org/wiki/NOON_state

   Two-photon NOON states, where N = 2, can be created deterministically from two identical photons and a 50:50 beam splitter. This is called the Hong–Ou–Mandel effect in quantum optics . Three- and four-photon NOON states cannot be created deterministically from single-photon states, but they have been created probabilistically via post ...

5. Reflector sight - Wikipedia

   en.wikipedia.org/wiki/Reflector_sight

   The reticle image in this sight is produced by an optical collimator bounced off a beam splitter. The dot remains on the target even though the viewer's head is moved side to side A reflector sight or reflex sight is an optical sight that allows the user to look through a partially reflecting glass element and see an illuminated projection of ...

6. Talk:Beam splitter - Wikipedia

   en.wikipedia.org/wiki/Talk:Beam_splitter

   The 1:2 beam splitters are the equivalent of the two fibers spliced as an "X". The 32 output beams of this optical chip are butt-coupled to a v-groove linear fiber array using epoxy. For this 32 channel splitter, the input signal is split equally so that each output fiber has 1/32 of the original signal strength.

7. Mach–Zehnder interferometer - Wikipedia

   en.wikipedia.org/wiki/Mach–Zehnder_interferometer

   By appropriately adjusting the mirrors and beam splitters, the fringes can be localized in any desired plane. The Mach–Zehnder check interferometer is a highly configurable instrument. In contrast to the well-known Michelson interferometer , each of the well-separated light paths is traversed only once.

8. Dichroism - Wikipedia

   en.wikipedia.org/wiki/Dichroism

   The original meaning of dichroic, from the Greek dikhroos, two-coloured, refers to any optical device which can split a beam of light into two beams with differing wavelengths. Such devices include mirrors and filters , usually treated with optical coatings , which are designed to reflect light over a certain range of wavelengths and transmit ...

9. Multi mode interferometer - Wikipedia

   en.wikipedia.org/wiki/Multi_mode_interferometer

   Diagram of a 1x2 Multi Mode Interferometer, with one input and two outputs. A multi-mode interferometer (MMI), also known as a multimode interference coupler, is a micro-scale structure in which light waves can travel, such that the optical power is split or combined in a predictable way.